123143900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{111949}}^1$

素因数の和:111974

約数の個数: 36

約数和(自身を含む): 291517800

約数和(自身を除く): 168373900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 111949, 223898, 447796, 559745, 1119490, 1231439, 2238980, 2462878, 2798725, 4925756, 5597450, 6157195, 11194900, 12314390, 24628780, 30785975, 61571950, 123143900]

約数ペア:

[(1, 123143900), (2, 61571950), (4, 30785975), (5, 24628780), (10, 12314390), (11, 11194900), (20, 6157195), (22, 5597450), (25, 4925756), (44, 2798725), (50, 2462878), (55, 2238980), (100, 1231439), (110, 1119490), (220, 559745), (275, 447796), (550, 223898), (1100, 111949)]